εκκένωση : 110 phrases in 20 subjects |
Agriculture | 7 |
Chemistry | 3 |
Coal | 3 |
Earth sciences | 23 |
Economy | 1 |
Electronics | 14 |
Environment | 7 |
Fish farming pisciculture | 2 |
General | 7 |
Industry | 6 |
Life sciences | 2 |
Materials science | 10 |
Mechanic engineering | 5 |
Medical | 2 |
Metallurgy | 1 |
Municipal planning | 1 |
Natural sciences | 4 |
Statistics | 2 |
Technology | 2 |
Transport | 8 |